[cfe-dev] [llvm-dev] Why do we static link all llvm libraries in every executable?

[David Blaikie via cfe-dev]

On Tue, Jan 26, 2016 at 12:44 AM, Yury Gribov via cfe-dev <
cfe-dev at lists.llvm.org> wrote:

> On 01/25/2016 09:16 PM, Joerg Sonnenberger via llvm-dev wrote:
>
>> On Mon, Jan 25, 2016 at 10:13:35AM -0800, Yin Ma via llvm-dev wrote:
>>
>>> If we separate several shared libraries something like
>>> libclang.so, libllvm.so and let all executables and llvmgold.so just
>>> linked with .so. A lot of space could be saved and
>>> loading performance could be improved.
>>>
>>
>> There is a build option to do exactly that. It comes at a significant
>> price for startup, e.g. clang will take 10x as long for building a small
>> example.
>>
>
> Is this to process runtime relocations or run constructors? I wonder if
> Prelink or ElfHack could help.
>

Runtime relocations, I would imagine (global ctors would have to run in
either mode - so shouldn't represent a difference, I would think?)


>
> Joerg
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>>
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